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Pass id value to javascript

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Dec 06.2007

I have this piece of code:

<a id=”idname” onclick=”getValue(this)”>link</a>

I have this javascript code:

function getValue(idval){
alert(getElementById(idval));
}

Obviously, this doesn’t work. If someone could tell me how to alert the ID value of the link that is clicked, that would be greatly appreciated.

Thanks,
Klanga

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JavaScript

1 Comments(s) ↴

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@billyjacobsDec 06.2007 — When you do the following:

<a id="idname" onclick="getValue(this)">link</a>

the control itself is "this". So in your method you already have the control and there is no need to get it by calling getElementById. So this is what you should have:

function getValue(control)

{

alert(control.id);

}

// This is passing in the hyperlink control.

<a id="idname" onclick="getValue(this)">link</a>


If you just need the id you could write the function to take a string and then call it like

function getValue(idval)

{

alert(idval);

}

//Here you are passing in the id which you know from the element

<a id="idname" onclick="getValue('idname')">link</a>
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